扫描二维码，直接登录
题库 / GmatLaCourse-SC-34
Researchers agreed that the study of new treatments for heart attack patients was extremely important but that more research was needed to determine whether balloon angioplasty preceded by ultrasound is any better for heart attack patients than is the balloon procedure by itself.
that more research was needed to determine whether balloon angioplasty preceded by ultrasound is any better for heart attack patients than is
that more research was needed to determine whether balloon angioplasty preceded by ultrasound is any better for heart attack patients than
略
略
略
题目分析：
(A)中的than右边是一个倒装的情况，比较对象是the balloon procedure的状态。(B)中比较对象是the balloon procedure本身，这不合逻辑。答案为(A)。
Than这个倒装，是固定格式吗？什么时候发生倒装？
倒装与否都可以。通常是为了躲避主语过长而引起的倒装。
登录 或 注册 后可以参加讨论